Fatal error: Uncaught Error: Class "Symfony\Component\VarExporter\Internal\Hydrator" not found in /home/pataplou/www/patrick/pataplouf/vendor/symfony/var-exporter/Tests/Fixtures/php74-serializable.php:3 Stack trace: #0 {main} thrown in /home/pataplou/www/patrick/pataplouf/vendor/symfony/var-exporter/Tests/Fixtures/php74-serializable.php on line 3